May Weather in Siyang, China

Last updated: August 22, 2025

In May, the average temperature in Siyang, China hovers around 20°C (69°F), with a minimum dipping to 9°C (49°F) and peaking at a warm 33°C (92°F). Expect 239 mm (9.4 in) of precipitation spread over 20 days, contributing to the region's high average humidity of 87%. Be prepared for a humid and variable climate!

May Temperature in Siyang

In May in Siyang, the average temperature is 20°C (69°F). Maximum can reach 33°C (92°F) and minimum can be as low as 9°C (49°F). This makes it an ideal time for travelers to enjoy a pleasant mix of warm days and cooler evenings.

May Weather in Siyang: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Siyang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siyang, May typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Siyang generated using information from the Copernicus Climate Change Service.

May Precipitation in Siyang

In Siyang in May, the precipitation amount is 239 mm (9.4 in) recorded over a span of 20 days.

May Precipitation Trends in Siyang

The chart displays monthly precipitation patterns in Siyang, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Siyang, May typically receives around 239 mm (9.4 inches) of precipitation spread over approximately 20 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Siyang

In Siyang in May humidity is 87%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making outdoor activities such as sightseeing and hiking quite challenging, as the thick air can leave you feeling sticky and tired quickly.

May Average Humidity in Siyang

This chart illustrates the average monthly humidity levels in Siyang, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Siyang is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Siyang

In Siyang in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Siyang.

Maximum UV Index Levels in Siyang for May

The chart shows the monthly maximum UV Index (UVI) for Siyang in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Siyang typically reaches 12, which falls under the extreme exposure category.

Data source: Siyang May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Siyang Compares to Other Months

Weather in Siyang varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Siyang, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Siyang, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	93 mm (3.7 inches)	64%	high
February Weather	7°C (44°F)	100 mm (3.9 inches)	73%	very high
March Weather	12°C (54°F)	156 mm (6.1 inches)	78%	very high
April Weather	16°C (61°F)	179 mm (7.0 inches)	78%	extreme
May Weather	20°C (69°F)	239 mm (9.4 inches)	87%	extreme
June Weather	24°C (75°F)	227 mm (8.9 inches)	88%	extreme
July Weather	27°C (80°F)	150 mm (5.9 inches)	89%	extreme
August Weather	27°C (80°F)	130 mm (5.1 inches)	87%	extreme
September Weather	23°C (73°F)	161 mm (6.3 inches)	70%	extreme
October Weather	16°C (62°F)	95 mm (3.7 inches)	70%	very high
November Weather	12°C (54°F)	92 mm (3.6 inches)	79%	high
December Weather	6°C (44°F)	69 mm (2.7 inches)	72%	moderate